NRR 32 dB Class A(L) 100 pair per box Corded NRR 32 dB Class A(L) 100 pair per...
NRR 32 dB Class A(L) 200 pair per box Uncorded NRR 32 dB Class A(L) 200 pair per...
NRR 33 dB 200 pair per box Uncorded NRR 33 dB 200 pair per box Uncorded
NRR 33 dB Class A(L) 100 pair per box Corded NRR 33 dB Class A(L) 100 pair per...
NRR 28dB Class A(L) 200 pair per box Corded NRR 28dB Class A(L) 200 pair per box...
NRR 28dB Class A(L) 200 pair per box Uncorded NRR 28dB Class A(L) 200 pair per box...